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MOD 1 Lesson 1 kee ,

Computers and Computer Systems

TermDefinition
Arthmetic/Logic Unit (AlU ) section of central processing unit that performs arthmetic computations and logical operations
Binary machine language that is made up of only 0 's and 1's
Bit a single zero or a single one in a machine language
BIOS ROM a type of computer c hip where instructions for starting up the computer are stored
Byte a single character in computer language; eight bits are equal to one byte
Central processing unit microprocessor that is the brains of the computer
Circuit board thin plate or board that contains electronic components
Computer an electronic device that rececives data (input)process data , stores data , and produces result (output)
Control unit coordinates all of processors actitives
Data text numbers souns images or video
Dual-core processor a single chip that contains two seperate processors
Embedded computers perform specfic tasks and can be found in a range of devices
File allocation table a special log on magnetic storage disk where each track is labeled and given a location
Hard disk used to store data inside the computer removable versions also availiable
Hardware the actual machine wires transistors and circuits in a computetr system
Information output produced by a computer
Memory short term or long term way to store a file or information
Mobile devices small general puropose computers that can generally fit into the palm of ypur hand
Motherboard Circuit board mountedin a computer case that contains integral components
Multicore processor an expansion that provides for more than two separate processors
Network drive a hard drive or a tape drive located on a computer other than the users local system
Notebook computers small personal computers that contain the monitor with a built in keyboard : also called laptop computers
Random access memory short term memory located on the motherboard that the computers can read from and write temporarily
Read only meomry stores specfic instructions needed for computer operations
Remote storage used to extend disk space on a server and elminate the addition of more hard disks or other storage devuces
Server a general purpose computer that can support a fwe users or hundreds of users variations include file server database server and web sever
Software instructions or programs for controlling the computer
Supercomputer fastest type of computer usedfor specialized applications to process enoromous amounts of data
Tabelt Pc personal comnputer similar in sixe and thickness to a notepad used with a stylus or digital pen on a touch screen
Tracks circles on a magenetic storage device where data is stored or retrieved
Created by: kee0221
 

 



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